Opelet

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A bright-coloured European actinian (Anemonia sulcata), or the similar Anemonia viridis

Etymology

From ope + -let? So called because it does not retract its tentacles.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.